CN218939904U

CN218939904U - Direct current energy storage battery with protection board

Info

Publication number: CN218939904U
Application number: CN202223313499.0U
Authority: CN
Inventors: 钟旭航
Original assignee: Zhangzhou Leitian Winston Power Battery R & D Center Co ltd
Current assignee: Zhangzhou Leitian Winston Power Battery R & D Center Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-04-28
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a direct current energy storage battery with a protection plate, relates to the technical field of direct current energy storage batteries, and aims to solve the problems that the protection performance of the existing lithium battery protection plate is poor and the side part of a battery pack is easily affected by impact due to the fact that the side part of the existing lithium battery protection plate is not provided with a protection structure. In the utility model, a top cover protection plate is arranged above a base protection plate, and two side protection plates are arranged between the top cover protection plate and the base protection plate; the side protection board comprises a middle connecting block, the upper end and the lower end of the side protection board are respectively fixedly provided with a radiating block with a radiating hole, and the two radiating blocks are respectively detachably connected with the top cover protection board and the base protection board. The both ends of base protection shield all are provided with a plurality of base combination pieces, and the both ends of top cap protection shield all are provided with a plurality of top cap combination pieces, and base combination piece and top cap combination piece are fixed each other through screw rod cooperation nut.

Description

Direct current energy storage battery with protection board

Technical Field

The utility model relates to the technical field of direct-current energy storage batteries, in particular to a direct-current energy storage battery with a protection plate.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as positive/negative electrode materials and uses nonaqueous electrolyte solution, a plurality of lithium batteries are combined together to be called as a lithium battery pack, the battery pack is divided into a series battery pack and a parallel battery pack, the voltage of each battery is required to be the same, the output voltage is equal to the voltage of one battery, and the lithium battery pack is required to be stably installed inside by means of components such as a top cover protection plate, a base protection plate and the like due to the fact that a plurality of square lithium batteries are required to be installed and fixed.

However, the existing lithium battery pack mainly comprises a module top cover, a module bottom plate, a battery bracket and other structures, and the side part of the existing lithium battery pack usually exposes part of the battery to the outside due to heat dissipation, so that the protection performance of the existing lithium battery pack is poor, the side part of the existing lithium battery pack is easily impacted, and the internal lithium battery is adversely affected; therefore, the existing requirements are not met, and for this reason we propose a dc energy storage battery with a protection plate.

Disclosure of Invention

The utility model aims to provide a direct current energy storage battery with a protection plate, which solves the problems that the side part of the existing lithium battery protection plate proposed in the background art is poor in protection performance due to the fact that the side part of the battery pack is not provided with a protection structure, the side part of the battery pack is easily impacted to influence the internal lithium battery, and the side protection plate is installed to easily influence the heat dissipation effect of the lithium battery pack.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the direct current energy storage battery with the protection plate comprises a base protection plate, wherein a top cover protection plate is arranged above the base protection plate, two side protection plates are fixedly arranged between the top cover protection plate and the base protection plate, and a plurality of lithium batteries are arranged among the top cover protection plate, the base protection plate and the two side protection plates; the side protection plate comprises a middle connecting block, the upper end and the lower end of the middle connecting block are respectively fixedly provided with a heat dissipation block, and the outer wall of the heat dissipation block is provided with a plurality of heat dissipation through holes; the two radiating blocks are respectively and fixedly connected between the top cover protection plate and the base protection plate.

Further, the heat dissipation block is integrally provided with an insertion block, both sides of the base protection plate are integrally provided with base side mounting plates, and both sides of the top cover protection plate are integrally provided with top cover side mounting plates; the base side mounting plate and the top cover side mounting plate are respectively provided with a plurality of side mounting grooves for inserting the plug blocks, and bolts for mutually fixing the plug blocks and the side mounting grooves are arranged.

Further, a plurality of base combination blocks are integrally arranged at two ends of the base protection plate, and a plurality of top cover combination blocks are integrally arranged at two ends of the top cover protection plate; the base combination block and the top cover combination block are mutually fixed through screw bolts and nuts.

Further, the upper surface of base protection shield is integrative to be provided with a plurality of lithium cell standing grooves.

Further, a plurality of top cover through holes are formed in the outer wall of the top cover protection plate.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the base protection plate is arranged to achieve the effect of installing a plurality of square lithium batteries, the top cover protection plate achieves the effect of protecting the tops of the square lithium batteries, the side space generated by the square lithium batteries is protected by the side protection plate, the side protection plate consists of the radiating block and the middle connecting block, the radiating block and the radiating through holes thereof achieve the effect of side radiating, and the radiating block is made of aluminum.

2. According to the utility model, the base side mounting plate and the side mounting groove are provided with the side protection plate, the side protection plate is inserted into the side mounting groove by means of the insert block to fix the bottom, the top cover side mounting plate is used for fixing the insert block at the upper part, and the side protection plate is convenient to mount and dismount by a user by means of thread fixing, so that the stability of the side protection plate is improved.

3. The base combined block and the top cover combined block are combined together by the aid of the screw rod, so that the base combined block and the top cover combined block are detachable, a user can conveniently detach, replace and overhaul the internal lithium battery subsequently, meanwhile, the stability between the top cover protection plate and the base protection plate can be improved by the aid of the screw rod, the top cover protection plate and the base protection plate are not separated and separated easily, and the internal square lithium battery is safer.

4. According to the utility model, the side impact force can be reduced by using the anti-collision rubber block to achieve the effect of protecting the lithium battery.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic view of a partial structure of a base protection plate according to the present utility model;

fig. 3 is a schematic view of a partial structure of a top cover protection plate according to the present utility model;

fig. 4 is a schematic view showing a partial structure of a side protection plate according to the present utility model;

in the figure: 1. a base protection plate; 2. a lithium battery placement groove; 3. a base combination block; 4. a connecting screw hole; 5. a base side mounting plate; 6. a side mounting groove; 7. a top cover protection plate; 8. a top cover combination block; 9. a screw; 10. a side protection plate; 11. a heat dissipation block; 12. a middle connecting block; 13. a heat dissipation through hole; 14. an anti-collision rubber block; 15. inserting blocks; 16. a screw hole; 17. a top cover through hole; 18. a top cover side mounting plate; 19. and (5) a bolt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: a dc energy storage battery having a protective plate, comprising: base protection board 1, the top of base protection board 1 is provided with top cap protection board 7, has set firmly two side protection boards 10 between top cap protection board 7 and the base protection board 1. A plurality of lithium batteries are arranged among the top cover protection plate 7, the base protection plate 1 and the two side protection plates 10.

The side protection board 10 includes a middle connection block 12, and heat dissipation blocks 11 are fixedly arranged at the upper end and the lower end of the middle connection block 12. Specifically, the heat dissipation blocks 11 are integrally provided with insertion plates, the upper end and the lower end of the side protection plate 10 are respectively provided with strip-shaped insertion holes, and the two heat dissipation blocks 11 are respectively inserted into the upper end and the lower end of the middle connection block 12 in a manner of matching the insertion plates with the insertion holes and are fixedly connected through strong glue or screws and the like. The outer wall of one side of the middle connecting block 12 is adhered with an anti-collision rubber block 14, and preferably, the middle connecting block 12 is made of rubber and plastic, so that the side impact resistance effect can be improved, and the protection performance is enhanced;

the outer wall of the heat dissipation block 11 is provided with a plurality of heat dissipation through holes 13. Preferably, the heat sink 11 is made of aluminum or aluminum alloy. Because aluminum has good heat conductivity, heat exchange can be performed in the heat dissipation process, so that heat dissipated by the internal lithium battery pack can be more rapidly conducted outwards, the side heat dissipation effect is improved, and the safety of the lithium battery pack during operation is improved.

The heat dissipation block 11 is integrally formed with an insert block 15 at the other end far away from the insert plate, and a plurality of screw holes 16 are formed on the outer wall of the insert block 15 for fixedly connecting the top cover protection plate 7 or the base protection plate 1 in cooperation with bolts 19.

Referring to fig. 1 to 4, both sides of the base protection plate 1 are integrally provided with base side mounting plates 5, and both sides of the top cover protection plate 7 are integrally provided with top cover side mounting plates 18. The base-side mounting plate 5 and the top-cover-side mounting plate 18 are each provided with a plurality of side mounting grooves 6 for the plug-in plugs 15, and are each provided with bolts 19 for fixing the plug-in plugs 15 and the side mounting grooves 6 to each other. During assembly, the side mounting groove 6 is connected with the insertion block 15 in a mutually clamping manner, so that the upper end and the lower end of the side protection plate 10 are respectively connected with the top cover protection plate 7 and the base protection plate 1, and then the bolts 19 are matched with the screw holes 16 to fix the side protection plate 10, thereby facilitating the installation and the disassembly of the side protection plate 10 by a user and ensuring the stability of the side protection plate 10.

Referring to fig. 1-3, three base combination blocks 3 are integrally provided at both ends of the base protection plate 1, and three top cover combination blocks 8 are integrally provided at both ends of the top cover protection plate 7. Of course, the number of base combination blocks 3 and base combination blocks 3 may be increased or decreased as needed, and is not limited to three. The outer walls of the base combination block 3 and the top cover combination block 8 are respectively provided with a connecting screw hole 4. The base combined block 3 and the top cover combined block 8 are combined together by virtue of the screw 9 matched and connected with the screw holes 4, so that the stability between the top cover protection plate 7 and the base protection plate 1 is improved, the safety is improved, and the installation and the disassembly are convenient.

Referring to fig. 2, a plurality of lithium battery placing grooves 2 are integrally formed in the upper surface of the base protection plate 1, and the lithium battery placing grooves 2 are used for installing square lithium batteries, so that a plurality of square lithium batteries form a lithium battery pack for use. Preferably, the base protection plate 1 is made of aluminum or aluminum alloy, and the heat dissipation area is increased. In addition, four corners of the upper end face of the square lithium battery are abutted against the top cover protection plate 7 through rubber pads so as to fix the square lithium battery, and meanwhile, enough gaps are reserved between the square lithium battery and the top cover protection plate 7 for heat dissipation.

Referring to fig. 3, a plurality of top cover through holes 17 are formed in the outer wall of the top cover protection plate 7, the top cover through holes 17 are used for achieving a top heat dissipation effect and a battery wire passing through connection effect, and as a new embodiment, the top cover through holes 17 at the top of the top cover protection plate 7 can be shaped as holes, so that the protection performance of the top is improved on the basis of passing through the wire.

Working principle: during the use, set up base protection shield 1 and play the effect of installing a plurality of square lithium batteries, top cap protection shield 7 plays the effect at protection square lithium battery top, the lateral part space that square lithium battery produced is protected by side protection shield 10, side protection shield 10 comprises radiating block 11 and middle part connecting block 12, the one side that middle part connecting block 12 is close to square lithium battery bonds crashproof rubber piece 14, utilize crashproof rubber piece 14 can reduce lateral part impact force, reach the effect of protecting lithium battery, radiating block 11 then plays lateral part radiating effect with radiating through hole 13, the material of radiating block 11 is aluminium, because the heat transfer nature of aluminium is good, it can carry out the heat transfer at radiating in-process, make the outside conduction that inside lithium battery group diverged can be more quick, make lateral part radiating effect obtain improving, on the basis of protection, make the lateral part possess heat dissipation function simultaneously, the security when improving lithium battery operation, base side mounting plate 5 and side mounting groove 6 are with installing side protection shield 10, side protection shield 10 relies on insert to the side mounting groove 6 in carry out the bottom fixed, base block 3 and top cap block 8 are in the combination together by means of screw 9, because screw 9 makes up with the radiating effect, make up the lithium battery 2 can be more convenient for the inside lithium battery that the inside is dismantled with the square battery is more than the square battery is equipped with the screw rod 9, the inside lithium battery is more convenient to detach, the lithium battery is more convenient to use the inside to detach the lithium battery is more than the square battery is equipped with the base 1.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The direct current energy storage battery with the protection plate comprises a base protection plate (1), a top cover protection plate (7) is arranged above the base protection plate (1), two side protection plates (10) are fixedly arranged between the top cover protection plate (7) and the base protection plate (1), and a plurality of lithium batteries are arranged among the top cover protection plate (7), the base protection plate (1) and the two side protection plates (10); the method is characterized in that: the side protection plate (10) comprises a middle connecting block (12), wherein a radiating block (11) is fixedly arranged at the upper end and the lower end of the middle connecting block (12), and a plurality of radiating through holes (13) are formed in the outer wall of the radiating block (11); the two radiating blocks (11) are respectively and fixedly connected between the top cover protection plate (7) and the base protection plate (1).

2. A dc energy storage battery with protective plate as defined in claim 1, wherein: the heat dissipation block (11) is integrally provided with an insertion block (15), both sides of the base protection plate (1) are integrally provided with base side mounting plates (5), and both sides of the top cover protection plate (7) are integrally provided with top cover side mounting plates (18); the base side mounting plate (5) and the top cover side mounting plate (18) are provided with a plurality of side mounting grooves (6) for the plug-in blocks (15), and are provided with bolts (19) for mutually fixing the plug-in blocks (15) and the side mounting grooves (6).

3. A dc energy storage battery with protective plate as defined in claim 1, wherein: a plurality of base combination blocks (3) are integrally arranged at two ends of the base protection plate (1), and a plurality of top cover combination blocks (8) are integrally arranged at two ends of the top cover protection plate (7); the base combination block (3) and the top cover combination block (8) are mutually fixed through screw rods (9) and nuts.

4. A dc energy storage battery with protective plate as defined in claim 1, wherein: the upper surface of base protection shield (1) is provided with a plurality of lithium cell standing grooves (2) in an organic whole.

5. A dc energy storage battery with protective plate as defined in claim 1, wherein: the outer wall of the top cover protection plate (7) is provided with a plurality of top cover through holes (17).